implement real people counter hardware

fixed IP for projector
add readme.txt
master
Level2 Pidor 2016-01-17 19:45:44 +01:00
parent 210d979eef
commit 3e7027dd82
10 changed files with 147 additions and 6 deletions

23
README.txt Normal file
View File

@ -0,0 +1,23 @@
Pidor is controlling the state of Level2 on the website, spaceapi and twitter
This documentation is work in progress, sorry about that.
Install
put this in /etc/inittab (see example in systemfiles/inittab)
# pidor
P0:2345:respawn:/root/pidor/scripts/lockbutton.sh
P1:2345:respawn:/root/pidor/scripts/beamerdetect.sh
P2:2345:respawn:/root/pidor/scripts/ws4beamer_status.py
P3:2345:respawn:/root/pidor/scripts/peoplecounter-realtime.sh
put the beamer IP into beamerip.txt
put the peoplecounter ip into peoplecounterip.txt
fill in the crontab
* * * * * /root/pidor/scripts/dhcp2presency.sh
* * * * * /root/pidor/scripts/upd_status.sh > /run/spacestatus.out 2>&1
needs an apache, for some silly historic reason, and for the lights commander
cd ~/pidor/www && ./intallwebsite.sh

View File

@ -1,19 +1,34 @@
#!/bin/bash
BEAMERIP=$(cat $(dirname "$0")"/beamerip.txt")
function raisescreen() {
echo "Rolling projection screen up"
ssh pi@doorbuzz 'doorbuzz/projectionscreen.sh up'
}
function pingall() {
i=1
while [ $i -lt 255 ]
do
ping -c 1 10.2.113.$i -q >/dev/null &
i=$((i+1))
done
wait
}
if [ "$1" = "off" ]
then
(
echo "called with parameter $1"
projip=$(arp -an|awk -F'[()]' '/00:50:41:79:d1:34/{print $2}')
projip="$BEAMERIP"
if [ "$projip" = "" ]
then
echo "no projector IP found"
arp -a
raisescreen
exit
fi
signalsource="$(wget -qO - 'http://'"$projip"'/tgi/return.tgi?query=info' |awk -F'[<>]' '/<info>/{print substr($3,33,2)}')"
if [ "$signalsource" = "00" ] || [ "$signalsource" = "15" ] || [ "$signalsource" = "" ]
then
ssh pi@doorbuzz 'doorbuzz/projectionscreen.sh up'
raisescreen
echo "wget http://$projip/tgi/return.tgi?command=2a3102fd0660 #projector off"
wget -qO - 'http://'"$projip"'/tgi/return.tgi?command=2a3102fd0660' 2>&1
echo $?
@ -22,12 +37,20 @@ then
fi
) | logger -t "$(basename $0) $$"
exit
fi &
if [ "$1" = "off" ]
then
exit # because the if before is in background
fi
prevstatus="unknown"
while true
do
projip=$(arp -an|awk -F'[()]' '/00:50:41:79:d1:34/{print $2}')
# from the acer webpage we read that bytes 30-31 contain 00 if poer off and 01 if power on
if [ $(date +%H) -eq 23 ]
then
pingall
fi
projip="$BEAMERIP"
# from the acer webpage we read that bytes 30-31 contain 00 if power off and 01 if power on
# we only test if 01, because if off, it can also give no response
# but seems to be bytes 32-33 more accurate
statusbyte="$(wget -qO - 'http://'"$projip"'/tgi/return.tgi?query=info'|awk -F'[<>]' '/<info>/{print substr($3,31,2)}')"

View File

@ -1,4 +1,16 @@
#!/bin/bash
PEOPLECOUNTERIP=$(cat $(dirname "$0")"/peoplecounterip.txt")
# we now have a people counter
p="$(
wget -qO - "http://$PEOPLECOUNTERIP/output.cgi?t=$(date +%s)" |
sed 's/.*Occupancy://'|
awk '{print $2}')"
if [ "$p" != "" ]
then
echo "$p" > /run/presency
else
logger $0 cannot access people counter. fallback to dhcp value guessing
fi
n=0
for i in $(ls /run/dhcp-leases/)
do
@ -18,4 +30,7 @@ do
fi
fi
done
if [ "$p" = "" ] # write DHCP count if people counter offline
then
echo "$n" > /run/presency
fi

View File

@ -2,6 +2,10 @@
# changes level2 state by the state of the main door
# i.e. people have to leave it open to keep status open
sleep 1 # silly way to debounce
if [ ! -f /run/spacestatus ] # needed to init after boot
then
cp -p /root/var/spacestatus /run/spacestatus
fi
if [ "$1" = "pushed" ] &&
[ "$(cat /run/spacestatus)" = "open" ]
then

View File

@ -0,0 +1,34 @@
#!/bin/bash
#update peoplecounter number in realtime
#but: this is too intrusive. should only update when the count of
@ people has not changed for a certain time
PEOPLECOUNTERIP=$(cat $(dirname "$0")"/peoplecounterip.txt")
state="online"
while true
do
p="$(
wget -qO - "http://$PEOPLECOUNTERIP/output.cgi?t=$(date +%s)" |
sed 's/.*Occupancy://'|
awk '{print $2}')"
if [ "$p" != "" ]
then
oldp="$(cat /run/peoplecounter)"
echo "$p" > /run/peoplecounter
if [ "$p" != "$oldp" ]
then
logger $0 changed from $oldp to $p people
fi
if [ "$state" = "offline" ]
then
state="online"
logger $0 people counter online
fi
else
if [ "$state" = "online" ]
then
state="offline"
logger $0 people counter offline
fi
fi
sleep 10
done

View File

@ -1,4 +1,5 @@
#!/bin/bash
sleep 5
IGNORE_DOORLOCKBUTTON="no"
LockDir="/run/$(basename "$0").run"
spaceapikey="$(cat "$(dirname $0)"/spaceapikey.txt)"

View File

@ -0,0 +1,15 @@
#!/bin/bash
# this script only makes sense if there is a good people counter installed
if [ "$1" = "closed" ] && [ "$2" = "open" ]
then
p="$(cat /run/presency)"
if [ "$p" != "0" ]
then
logger $0 There are $p people, closed door from inside waiting 1 min.
sleep 60
p="$(cat /run/presency)"
logger $0 There are $p people, closed door from inside after 1 min.
else
logger $0 There are $p people, correctly closed door from outside.
fi &
fi

23
scripts/ws4beamer_status.py Executable file
View File

@ -0,0 +1,23 @@
#!/usr/bin/env python2.7
import requests
import flask
import re
app = flask.Flask(__name__)
@app.route("/")
def status():
try:
res = requests.get("http://10.2.113.7/tgi/return.tgi?query=info", timeout=1)
if "NG" in res.content:
return "0"
reg_res = re.findall(b"<info>([^<]*)</info>", res.content)
status = str(reg_res[0][30:32])
if status == "01":
return "1"
except Exception as e:
print(e)
return "0"
if __name__ == "__main__":
app.run("0.0.0.0", 5042)

View File

@ -74,3 +74,6 @@ T0:23:respawn:/sbin/getty -L ttyAMA0 115200 vt100
# pidor
P0:2345:respawn:/root/pidor/scripts/lockbutton.sh
P1:2345:respawn:/root/pidor/scripts/beamerdetect.sh
P2:2345:respawn:/root/pidor/scripts/ws4beamer_status.py
P3:2345:respawn:/root/pidor/scripts/peoplecounter-realtime.sh